January weather forecastGrimsley, TN
January
Weather in January
January, like December, in Grimsley, Tennessee, is an icy winter month, with an average temperature ranging between min 27.7°F (-2.4°C) and max 41.7°F (5.4°C).Temperature
During the coldest month, January, temperatures average a high of 41.7°F (5.4°C) and a low of 27.7°F (-2.4°C).Humidity
In Grimsley, the average relative humidity in January is 79%.Rainfall
In January, the rain falls for 11.2 days. Throughout January, 2.95" (75mm) of precipitation is accumulated. In Grimsley, Tennessee, during the entire year, the rain falls for 170.9 days and collects up to 37.68" (957mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Grimsley, in January, snow falls for 7.1 days, with typically accumulated 2.56" (65mm) of snow. Throughout the year, there are 26.1 snowfall days, and 9.72" (247mm) of snow is accumulated.Daylight
In January, the average length of the day is 10h and 1min.On the first day of January, sunrise is at 6:51 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 5:04 pm CST.
Sunshine
The average sunshine in January is 4.3h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: In January, the average maximum UV index of 2 translates into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. To guard against the harmful effects of the Sun, minimize exposure during midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Grimsley, TN
- Average high temperature in January: 41.7°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (41.7°F).
- Average low temperature in January: 27.7°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in January
Grimsley, TN
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in January
Grimsley, TN
- Average wind speed in January: 7mph
The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in January
Grimsley, TN
- Average humidity in January: 79%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are April, June, August, October and November (77%).
Average rainfall in January
Grimsley, TN
- Average rainfall in January: 2.95"
The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in January
Grimsley, TN
- Average rainfall days in January: 11.2 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in January
Grimsley, TN
- Average snowfall in January: 2.56"
The month with the highest snowfall is February (3.94").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Grimsley, TN
- Average snowfall days in January: 7.1 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Grimsley, TN
- Average daylight in January: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January: 4h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in January
Grimsley, TN
- Average sunshine days in January: 13.9 days
The month with the most sunshine days is October (18 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in January
Grimsley, TN
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in January
Grimsley, TN
- Average cloud cover in January: 55
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in January
Grimsley, TN
- Average visibility in January: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).





